LRB Mattresses
  • GRW Rock / Mineral Wool Blankets / Mattresses is a light weight thermal insulation for face temperature up to 750°C it consist of a flexible blanket stitched with wire to a facing of galvanized hexagonal wire mesh. It is suitable for process temperature control, energy conservation and condensation prevention for plant and equipment such as storage tanks, heat exchanger, reactors, precipitators, stocks, ovens, air conditioning duct work and refrigeration equipment, easily installed, the product is available in variety of sizes and thickness.
    Avaibility
    Standard Dimensions 1.520 x 1.220 M
    Density, Kg/M3 100, 120, 128, 150
    Thickness, mm 25, 30, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
    Wire Netting 1/2" x 22G,3/4" x 24G,1" x 20G
    Specification As Per IS : 8183
    Test Method As Per IS : 3144
    Max Service Temperature 750°C
    Other Sizes, Thickness & Densities are available on Request

Thermal Conductivity
(mW/cm°C)
Mean Temp. °C Group 1 Group 2 Group 3 Group 4
50 0.49 0.43 0.43 0.43
100 0.69 0.52 0.52 0.52
150 0.95 0.64 0.62 0.62
200 ---- 0.78 0.73 0.68
250 ---- 0.93 0.84 0.80
300 ---- 1.10 0.95 0.90

GRW Rock Wool Mattress has extremely low K-Value for wide range of temperatures. Typical thermal conductivity values are given in the graph for various densities and mean temperatures. Conductivity varies with the temperature and density of insulation.